Energy Efficient & Eco-friendly - Charge under sunlight at daytime & power LED at night Automatic Light Sensor - Auto turn on lights only at dusk; Battery supports up to 10 hours 2-Way Installation - Can be clipped on any gutter system, fence by bracket Durable - LED lights with 30,000-hour lifespan, low power consumption for long term use Wide Application - Ideal for front doors, decks, pathways, driveways, gardens, patios